Conversion of galvanometer into ammeter | Moving charges & magnetism| Physics | Khan Academy

To convert a moving coil galvanometer to an ammeter, we add a low shunt resistance, but why? The shunt resistance carries the excess current, ensuring the right amount of current through the galvanometer.

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Created by Mahesh Shenoy

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If u already knows that 10A current u have to measure nd u have to extend range of Galvanometer according to it... Then, what was the need to measure it u already knows 10A current flows through it

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[shishirpathak]

ok one practical question, do we need a fuse in series with ammeter where 10micro ampere flows through just to protect our galvanometer as we are feeding in 10 Amps? ofcourse 10Amps-10mAmps is theoritically flowing thorugh shunt resistance, but what if practically less current flows through shunt resistance?

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